Home / 21,288,557,631.40-31,932,836,447.10-21,288,557,631.40

Finding the Fourth Proportional to 21,288,557,631.40, 31,932,836,447.10 and 21,288,557,631.40

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Solution

The fourth proportional to 21,288,557,631.40, 31,932,836,447.10 and 21,288,557,631.40 is: 31,932,836,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288,557,631.40 : 31,932,836,447.10 = 21,288,557,631.40 : x
  2. Step 2: Convert to fraction form
    21,288,557,631.40/31,932,836,447.10 = 21,288,557,631.40/x
  3. Step 3: Cross multiply
    21,288,557,631.40x = 31,932,836,447.10 × 21,288,557,631.40
  4. Step 4: Simplify right side
    21,288,557,631.40x = 679,804,029,038,158,807,040
  5. Step 5: Solve for x
    x = 679,804,029,038,158,807,040/21,288,557,631.40
  6. Step 6: Final answer
    x = 31,932,836,447.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.